Ear tag



FIG. 1 is a front elevational view of an ear tag showing my new design, the rear being identical in appearance;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being identical in appearance;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a top perspective view thereof. 

The ornamental design for an ear tag, as shown and described. 